小数加减乘除口算题要100题要难度低的

问题描述:

小数加减乘除口算题要100题要难度低的

2.8×0.4= 1.1214-7.4=6.6,1.92÷0.04=48,0.32×500=160,0.65+4.35= 510-5.4=4.6,4÷20=0.2,3.5×200=700,1.5-0.06=1.440.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=21.01×99=99.99,420÷35=12,25×12=300,135÷0.5=2703/4 + 1/4 =1,2 + 4/9 =22/9,3 - 2/3 =7/3,3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2,7.5-(2.5+3.8)=1.2,7/8 + 3/8 =5/43/10 +1/5 =1/2,4/5 - 7/10 =1/10,2 - 1/6 -1/3 =1.50.51÷17=0.03,32.8+19=51.8,5.2÷1.3=4,1.6×0.4= 0.644.9×0.7=3.43,1÷5=0.2,6÷12=0.5,0.87-0.49=0.38